public double[] GetMachineInputs(FeatureExtractor <T> extractor, PreprocessorCoefficients?coefficients = null)
{
extractor.Reset(); // If it's an integrator type, we'll need this to make any sense of the results.
var extractedSequence = extractor.ExtractSeq(SourcePath);
return(Accord.Math.Matrix.Merge(extractor.Preprocess(extractedSequence, coefficients), extractor.Dimensions));
}
public FeatureDblIntegrator(FeatureExtractor <T> sourceExtractor)
{
SourceExtractor = sourceExtractor;
Dimensions = sourceExtractor.Dimensions;
CumulativeValue = Enumerable.Repeat(0.0, Dimensions).ToArray();
CurrentMomentum = Enumerable.Repeat(0.0, Dimensions).ToArray();
}
public FeatureAxisSelector(int selectedAxis, FeatureExtractor <T> sourceExtractor)
{
if (selectedAxis >= sourceExtractor.Dimensions)
{
throw new ArgumentException($"Cannot take the {selectedAxis}th axis of an extractor which produces only {sourceExtractor.Dimensions} dimensions.");
}
SelectedAxis = selectedAxis;
SourceExtractor = sourceExtractor;
// By definition this extractor returns a single dimensional object.
Dimensions = 1;
}
protected static void DefineExtractor(string name, FeatureExtractor <DatapointKitchenSink> extractor)
{
extractor.Name = name;
AllExtractors.Add(name, extractor);
}